plastic

1[uncountable,countable,usually plural]a light, strong material that is produced by chemical processes and can be formed into shapes when heated. There are many different types of plastic, used to make different objects and fabricsThe pipes should be made of plastic.a sheet of clear plasticthe plastic industry

2plastics[uncountable]the science of making plastics

3[uncountable](informal)a way of talking about credit cardsDo they take plastic?